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10993087 = 779103193
BaseRepresentation
bin101001111011…
…110110111111
3202200111200101
4221323312333
510303234322
61031341531
7162303550
oct51736677
922614611
1010993087
1162292a6
1238218a7
13237b8b1
141662327
15e72327
hexa7bdbf

10993087 has 16 divisors (see below), whose sum is σ = 12912640. Its totient is φ = 9165312.

The previous prime is 10993069. The next prime is 10993097. The reversal of 10993087 is 78039901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10993087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10993097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56863 + ... + 57055.

It is an arithmetic number, because the mean of its divisors is an integer number (807040).

Almost surely, 210993087 is an apocalyptic number.

10993087 is a deficient number, since it is larger than the sum of its proper divisors (1919553).

10993087 is a wasteful number, since it uses less digits than its factorization.

10993087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10993087 is about 3315.5824526017. The cubic root of 10993087 is about 222.3514102806.

It can be divided in two parts, 1099 and 3087, that added together give a triangular number (4186 = T91).

The spelling of 10993087 in words is "ten million, nine hundred ninety-three thousand, eighty-seven".

Divisors: 1 7 79 103 193 553 721 1351 8137 15247 19879 56959 106729 139153 1570441 10993087